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OpenCloudOS-Kernel
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dm thin metadata: remove unused dm_thin_remove_block and __remove 

Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Zhiqiang Liu 2022-02-16 14:37:03 +08:00 committed by Mike Snitzer
parent 8ca8b1e147
commit 75274a4bf2
2 changed files with 0 additions and 29 deletions
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28
drivers/md/dm-thin-metadata.c
View File

@ -1665,22 +1665,6 @@ int dm_thin_insert_block(struct dm_thin_device *td, dm_block_t block,
return r; return r;
} }
static int __remove(struct dm_thin_device *td, dm_block_t block)
{
int r;
struct dm_pool_metadata *pmd = td->pmd;
dm_block_t keys[2] = { td->id, block };
r = dm_btree_remove(&pmd->info, pmd->root, keys, &pmd->root);
if (r)
return r;
td->mapped_blocks--;
td->changed = true;
return 0;
}
static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_t end) static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_t end)
{ {
int r; int r;
@ -1740,18 +1724,6 @@ static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_
return dm_btree_insert(&pmd->tl_info, pmd->root, keys, &value, &pmd->root); return dm_btree_insert(&pmd->tl_info, pmd->root, keys, &value, &pmd->root);
} }
int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block)
{
int r = -EINVAL;
pmd_write_lock(td->pmd);
if (!td->pmd->fail_io)
r = __remove(td, block);
pmd_write_unlock(td->pmd);
return r;
}
int dm_thin_remove_range(struct dm_thin_device *td, int dm_thin_remove_range(struct dm_thin_device *td,
dm_block_t begin, dm_block_t end) dm_block_t begin, dm_block_t end)
{ {

1
drivers/md/dm-thin-metadata.h
View File

@ -166,7 +166,6 @@ int dm_pool_alloc_data_block(struct dm_pool_metadata *pmd, dm_block_t *result);
int dm_thin_insert_block(struct dm_thin_device *td, dm_block_t block, int dm_thin_insert_block(struct dm_thin_device *td, dm_block_t block,
dm_block_t data_block); dm_block_t data_block);
int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block);
int dm_thin_remove_range(struct dm_thin_device *td, int dm_thin_remove_range(struct dm_thin_device *td,
dm_block_t begin, dm_block_t end); dm_block_t begin, dm_block_t end);